They Live!
Ghost in the Shell(1995)
Blade Runner
and any film adapted from Philip K Dick.
The Matrix
Eternal Sunshine of the Spotless Mind
Mad Max, The Road Warrior
Star Wars Episode IV-VI
The Fifth Element
Planet of the Apes
K-Pax
Independence Day
Dune
and superhero movies

in no particular order or catagory, just things that come off the top of my head.